Health care organizations are leveraging machine-learning techniques, such as artificial
neural networks (ANN), to improve delivery of care at a reduced cost. Applications of ANN to …

The links between increased participation in Physical Activity (PA) and improvements in
health are well established. As this body of evidence has grown, so too has the search for …

The ubiquity of smartphones and the growth of computing resources, such as connectivity,
processing, portability, and power of sensing, have greatly changed people's lives. Today …

Background: There is increasing interest from academics and clinicians in harnessing
smartphone applications (apps) as a means of delivering behavioral interventions for health …

Background Rapid developments in technology have encouraged the use of smartphones in
physical activity research, although little is known regarding their effectiveness as …

Mobile devices are becoming increasingly sophisticated and the latest generation of smart
cell phones now incorporates many diverse and powerful sensors. These sensors include …

The ubiquity of smartphones together with their ever-growing computing, networking, and
sensing powers have been changing the landscape of people's daily life. Among others …

Wearable activity trackers are becoming widely adopted, yet challenges continue to exist in
effective long-term use and adoption. Existing research focuses mostly on the use and …

We introduce the Friends and Family study, a longitudinal living laboratory in a residential
community. In this study, we employ a ubiquitous computing approach, Social Functional …

New technologies for encouraging physical activity, healthy diet, and other types of health
behavior change now frequently appear in the HCI literature. Yet, how such technologies …